Fernco 1056-43RC 4 in. x 3 in. Strong Back Shielded Coupling

Product Overview

The Fernco 1056-43RC Strong Back shielded coupling connects compatible 4 in. to 3 in. cast iron, PVC, copper, steel, or lead pipe in underground applications.

Key Features:

• 4 in. x 3 in. shielded reducing coupling
• Strong Back design adds rigidity and alignment support
• For compatible cast iron, PVC, copper, steel, or lead pipe transitions
• Underground connection use listed
• 60 lb-in installation torque listed

Common Uses:

• 4 in. to 3 in. underground pipe transitions
• Pipe repairs between compatible materials
• Applications needing shielded support and alignment

Technical Specifications:

• Size: 4 in. x 3 in.
• Installation Torque: 60 lb-in.
• Temperature Range: -30°F to 140°F

FAQ

Is this a reducing coupling?

Yes. It transitions compatible 4 in. pipe to 3 in. pipe.

What does Strong Back add?

The shielded design adds rigidity and alignment support.

What should I check before ordering?

Confirm pipe outside diameters, pipe materials, and code requirements.

Why Buy From Big Frog Supply?

Big Frog Supply provides clear product details, helpful support, and fast online ordering.